12V/24V Stepless Variable Speed Regulator Switch Electric Fan Bulb Electronic Stepless Dimmer Switch

Features This is a upgraded fan heater Stepless speed control switch Stepless speed switch 12V 24V 300W car truck and other heater speed switch universal Suitable for all types of vehicles adjust fan speed heater speed switch defroster By adjusting the magnitude of the current to control the size of the wind speed it is not easy to heat up and the output power is large Easy to wire convenient to use it is a great replacement for broken ones Widely used for adjusting speed of automobile fan heater defroster fans bulb etc Specifications Voltage 12V or 24V universal Power 300WSize 52x32x32mm 2x1 3x1 3inPackage Includes 1 x SwitchInstallation instructions 1 Red wire connected with positive pole of 12V or 24V power supply and positive pole of motor 2 Black wire connected with negative pole of power supply 3 Green wire connected with negative pole of motor